Details of the Drug Combination

General Information of Drug Combination (ID: DCGE223)

• Drug Combination Name: Mephenytoin + Everolimus
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Mephenytoin (DM5UGDK): Small molecular drug
  Everolimus (DM8X2EH): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 18.46
  Bliss Independence Score: 18.46
  Loewe Additivity Score: 25.4
  LHighest Single Agent (HSA) Score: 25.46

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Mephenytoin

Disease Entry	ICD 11	Status	REF
Epilepsy	8A60-8A68	Approved	[2]

Mephenytoin Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Voltage-gated sodium channel alpha Nav1.5 (SCN5A)	TTZOVE0	SCN5A_HUMAN	Blocker	[7]

Mephenytoin Interacts with 9 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[8]
Cytochrome P450 1A2 (CYP1A2)	DEJGDUW	CP1A2_HUMAN	Metabolism	[9]
Cytochrome P450 2D6 (CYP2D6)	DECB0K3	CP2D6_HUMAN	Metabolism	[10]
Cytochrome P450 3A5 (CYP3A5)	DEIBDNY	CP3A5_HUMAN	Metabolism	[8]
Cytochrome P450 2C18 (CYP2C18)	DEZMWRE	CP2CI_HUMAN	Metabolism	[11]
Cytochrome P450 2C8 (CYP2C8)	DES5XRU	CP2C8_HUMAN	Metabolism	[12]
Cytochrome P450 2C9 (CYP2C9)	DE5IED8	CP2C9_HUMAN	Metabolism	[11]
Cytochrome P450 2B6 (CYP2B6)	DEPKLMQ	CP2B6_HUMAN	Metabolism	[13]
Mephenytoin 4-hydroxylase (CYP2C19)	DEGTFWK	CP2CJ_HUMAN	Metabolism	[14]

Mephenytoin Interacts with 1 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Cytochrome P450 2B6 (CYP2B6)	OTOYO4S7	CP2B6_HUMAN	Decreases Methylation	[15]

Indication(s) of Everolimus

Disease Entry	ICD 11	Status	REF
Advanced cancer	2A00-2F9Z	Approved	[3]
Advanced/metastatic breast cancer	2C60	Approved	[4]
Brainstem neoplasm	N.A.	Approved	[3]
Breast carcinoma	N.A.	Approved	[3]
Graft-versus-host disease	4B24	Approved	[3]
Intracranial meningioma	N.A.	Approved	[3]
Leukemia	N.A.	Approved	[3]
Lung cancer	2C25.0	Approved	[3]
Mucosal melanoma	N.A.	Approved	[3]
Multiple sclerosis	8A40	Approved	[3]
Plasma cell myeloma	2A83.1	Approved	[3]
Prostate cancer	2C82.0	Approved	[3]
Renal cell carcinoma	2C90	Approved	[5]
Salivary gland squamous cell carcinoma	N.A.	Approved	[3]
Tuberous sclerosis	LD2D.2	Approved	[3]
Kidney cancer	2C90.0	Phase 3	[5]
Castration-resistant prostate carcinoma	N.A.	Investigative	[3]
Colon cancer	2B90.Z	Investigative	[3]
Middle East Respiratory Syndrome (MERS)	1D64	Investigative	[6]
Neuroblastoma	2D11.2	Investigative	[3]
Pancreatic acinar cell carcinoma	N.A.	Investigative	[3]
Polycystic kidney disease	GB8Y	Investigative	[3]
Severe acute respiratory syndrome (SARS)	1D65	Investigative	[6]

Everolimus Interacts with 2 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Serine/threonine-protein kinase mTOR (mTOR)	TTCJG29	MTOR_HUMAN	Inhibitor	[16]
HUMAN mammalian target of rapamycin (mTOR)	TT7HQAF	MTOR_HUMAN	Inhibitor	[6]

Everolimus Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[17]

Everolimus Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[18]

References

• [1] Recurrent recessive mutation in deoxyguanosine kinase causes idiopathic noncirrhotic portal hypertension.Hepatology. 2016 Jun;63(6):1977-86. doi: 10.1002/hep.28499. Epub 2016 Mar 31.
• [2] URL: http://www.guidetopharmacology.org Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 7223).
• [3] Everolimus FDA Label
• [4] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services. 2015
• [5] URL: http://www.guidetopharmacology.org Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 5889).
• [6] Coronaviruses - drug discovery and therapeutic options. Nat Rev Drug Discov. 2016 May;15(5):327-47.
• [7] Lacosamide: a new approach to target voltage-gated sodium currents in epileptic disorders. CNS Drugs. 2009;23(7):555-68.
• [8] Species differences in stereoselective metabolism of mephenytoin by cytochrome P450 (CYP2C and CYP3A). J Pharmacol Exp Ther. 1993 Jan;264(1):89-94.
• [9] Comparison of (S)-mephenytoin and proguanil oxidation in vitro: contribution of several CYP isoforms. Br J Clin Pharmacol. 1999 Aug;48(2):158-67.
• [10] Ethnic differences in genetic polymorphisms of CYP2D6, CYP2C19, CYP3As and MDR1/ABCB1. Drug Metab Pharmacokinet. 2004 Apr;19(2):83-95.
• [11] Cytochrome P450 metabolic dealkylation of nine N-nitrosodialkylamines by human liver microsomes. Carcinogenesis. 1996 Sep;17(9):2029-34.
• [12] Evidence that CYP2C19 is the major (S)-mephenytoin 4'-hydroxylase in humans. Biochemistry. 1994 Feb 22;33(7):1743-52.
• [13] Substrates, inducers, inhibitors and structure-activity relationships of human Cytochrome P450 2C9 and implications in drug development. Curr Med Chem. 2009;16(27):3480-675.
• [14] Cytochromes P450 mediating the N-demethylation of amitriptyline. Br J Clin Pharmacol. 1997 Feb;43(2):137-44.
• [15] Evaluation of cytochrome P450 probe substrates commonly used by the pharmaceutical industry to study in vitro drug interactions. Drug Metab Dispos. 2002 Dec;30(12):1311-9.
• [16] Mammalian target of rapamycin, its mode of action and clinical response in metastatic clear cell carcinoma. Gan To Kagaku Ryoho. 2009 Jul;36(7):1076-9.
• [17] Closer to the Site of Action: Everolimus Concentrations in Peripheral Blood Mononuclear Cells Correlate Well With Whole Blood Concentrations. Ther Drug Monit. 2015 Oct;37(5):675-80.
• [18] The evolving experience using everolimus in clinical transplantation. Transplant Proc. 2004 Mar;36(2 Suppl):495S-499S.